Sympetalandra unijuga (Airy Shaw) Van Steenis, Blumea 22 (1975) 163; Hou, Larsen & Larsen, Fl. Malesiana 12 (1996) 713.
Erythrophleum unijugum Airy Shaw, Kew Bull. (1939) 180.
Type: Agullana 1780 (K holo; L), Sabah.
Erythrophleum densiflorum auct. non (Elmer) Merr.: Merr., Bibl. Enum. Born. Pl. (1921) 295; Pl. Elmer. Born. (1929) 98.
Sympetalandra borneensis auct. non Stapf: Merr., Pl. Elmer. Born. (1929) 98; Kosterm., Gard. Bull. Sing. 17 (1958) 5, p. p.; Whitm. in Tree Fl. Malaya 1 (1972) 274, p. p., excl. SF 31984 ; Meijer, Field Guide Trees W Malesia (1974) 197, f. 47; Cockb., Trees Sabah 1 (1976) 183, f. 32 (unijuga Sympet C ToS 32 ).
Serianthes gigalobium Kostermans, Reinwardtia 2 (1953) 357, f. 1 (unijuga Symp Reinwf1 ).
Type: Neth. Ind. For. Serv. bb 20030 (BO holo; L), Kalimantan.
Vernacular name
Merbau lalat [Sabah]
Mentiring [Sumatra]
Bellotan [Sabah]
Potai munjit [Sabah]